Defibrillator



FIG. 1 is a perspective view of a defibrillator showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a fron elevational view thereof; and,

FIG. 7 is a rear view thereof. 

The ornamental design for a defibrillator, as shown and described. 